And to find the bounds perhaps the easiest is to draw a picture of a region in u, v coordinates.

相对简单的、找出边界的办法,就是在u、v坐标系下画出积分区域。

youdao

And to find the bounds perhaps the easiest is to draw a picture of a region in u, v coordinates.

相对简单的、找出边界的办法,就是在u、v坐标系下画出积分区域。

youdao